| Zemst to Provadia | 1,202.24 mi (1,934.83 km) |
| Zemst to Radnevo | 1,177.00 mi (1,894.19 km) |
| Zemst to Radomir | 1,047.87 mi (1,686.38 km) |
| Zemst to Rakitovo | 1,117.39 mi (1,798.26 km) |
| Zemst to Rakovski | 1,138.74 mi (1,832.62 km) |
| Zemst to Razgrad | 1,150.59 mi (1,851.70 km) |
| Zemst to Razlog | 1,097.96 mi (1,767.00 km) |
| Zemst to Ruse | 1,116.08 mi (1,796.16 km) |
| Zemst to Samokov | 1,080.96 mi (1,739.63 km) |
| Zemst to Sandanski | 1,105.43 mi (1,779.01 km) |
| Zemst to Sevlievo | 1,113.46 mi (1,791.94 km) |
| Zemst to Shumen | 1,177.61 mi (1,895.18 km) |
| Zemst to Silistra | 1,159.52 mi (1,866.07 km) |
| Zemst to Sliven | 1,177.14 mi (1,894.43 km) |
| Zemst to Smolyan | 1,159.50 mi (1,866.03 km) |
